28806345

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{14887}}^1$

素因数の和:14941

約数の個数: 24

約数和(自身を含む): 51095616

約数和(自身を除く): 22289271

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 14887, 44661, 74435, 133983, 223305, 640141, 669915, 1920423, 3200705, 5761269, 9602115, 28806345]

約数ペア:

[(1, 28806345), (3, 9602115), (5, 5761269), (9, 3200705), (15, 1920423), (43, 669915), (45, 640141), (129, 223305), (215, 133983), (387, 74435), (645, 44661), (1935, 14887)]